XWIKI-7403 setting the expected language
Corrected code indentation
Merge remote-tracking branch 'upstream/stable-5.0.x' into stable-5.0.x
XWIKI-7403 backup context locale before changing it temporary
Merge pull request #116 from nedgot/stable-5.0.x

XWIKI-7403: Watchlist sometime send mails in the wrong language